Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume 2021, Issue 48, Pages 5077-5084Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.202100819
Keywords
Anion; Coordination Polymers; Fluorescent Probe; Uranyl; Viologen Derivative
Categories
Funding
- National Science Fund for Distinguished Young Scholars [21925603]
- National Natural Science Foundation of China [22076187, 22076186, 11975152]
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Four novel uranyl coordination polymers were synthesized using a viologen derivative ligand and uranyl nitrate under hydrothermal reactions with various inorganic acids. Compound 2 exhibited selective detection of Fe3+ in aqueous solution, showing potential applications in metal ion sensing.
Four novel uranyl coordination polymers (CPs) have been synthesized by the utilization of viologen derivative ligand, 1,1'-bis(3,5-dicarboxyphenyl)-4,4'-bipyridinium (H(4)bdbp . 2Cl), and uranyl nitrate under hydrothermal reactions through the regulation of different kinds of inorganic acids (HF, HCl, HNO3, HClO4, H2SO4). Compound 1 features a unique triple-stranded helix structure with a helical pitch of 31.578 angstrom. The ligands in compounds 2-4 have similar configurations, while their 3D structures are completely different due to the presence of different kinds of anions. The anions play different roles in the frameworks of these uranyl CPs. In addition, compound 2 possesses strong fluorescence both in solid-state and aqueous suspension-state. It is demonstrated that compound 2 can selectively detect Fe3+ over several competing metal cations in aqueous solution.
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